2630465657 has 2 divisors, whose sum is σ = 2630465658. Its totient is φ = 2630465656.

The previous prime is 2630465639. The next prime is 2630465671. The reversal of 2630465657 is 7565640362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2457779776 + 172685881 = 49576^2 + 13141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2630465657 - 2²⁶ = 2563356793 is a prime.

It is a super-3 number, since 3×2630465657³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2630465687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315232828 + 1315232829.

It is an arithmetic number, because the mean of its divisors is an integer number (1315232829).

Almost surely, 2^2630465657 is an apocalyptic number.

It is an amenable number.

2630465657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2630465657 is an equidigital number, since it uses as much as digits as its factorization.

2630465657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 44.

The square root of 2630465657 is about 51288.0654441167. The cubic root of 2630465657 is about 1380.4188424439.

The spelling of 2630465657 in words is "two billion, six hundred thirty million, four hundred sixty-five thousand, six hundred fifty-seven".